Home / 5,459.42-7,555.66-5,328.39

Finding the Fourth Proportional to 5,459.42, 7,555.66 and 5,328.39

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Solution

The fourth proportional to 5,459.42, 7,555.66 and 5,328.39 is: 7,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.42 : 7,555.66 = 5,328.39 : x
  2. Step 2: Convert to fraction form
    5,459.42/7,555.66 = 5,328.39/x
  3. Step 3: Cross multiply
    5,459.42x = 7,555.66 × 5,328.39
  4. Step 4: Simplify right side
    5,459.42x = 40,259,489.87
  5. Step 5: Solve for x
    x = 40,259,489.87/5,459.42
  6. Step 6: Final answer
    x = 7,374.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.